1049140169 has 32 divisors (see below), whose sum is σ = 1334430720. Its totient is φ = 801172800.

The previous prime is 1049140153. The next prime is 1049140177. The reversal of 1049140169 is 9610419401.

It is a cyclic number.

It is not a de Polignac number, because 1049140169 - 2⁴ = 1049140153 is a prime.

It is a super-2 number, since 2×1049140169² = 2201390188418697122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1049140129) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 887759 + ... + 888939.

It is an arithmetic number, because the mean of its divisors is an integer number (41700960).

Almost surely, 2^1049140169 is an apocalyptic number.

It is an amenable number.

1049140169 is a deficient number, since it is larger than the sum of its proper divisors (285290551).

1049140169 is a wasteful number, since it uses less digits than its factorization.

1049140169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1421.

The product of its (nonzero) digits is 7776, while the sum is 35.

The square root of 1049140169 is about 32390.4332944158. The cubic root of 1049140169 is about 1016.1188432421.

The spelling of 1049140169 in words is "one billion, forty-nine million, one hundred forty thousand, one hundred sixty-nine".